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wordThe Fifth Period－Section B(3a－3b) & Self CheckTeaching Important Points 【教学重点】Key words & phrases：nearlydecide on，e up with the ideaKey sentences：1.This pen was invented by Liu Jie.2.It is hard to tell who came up with the idea first.Key structure：be＋past participleeg：My watch was stolen by someone.Teaching Difficult Points 【教学难点】★Use the words and structures to write a letter and give advice to someone about the best way to learn English.Teaching Aids 【教学工具】CAI or multimedia courseware.Teaching Steps 【教学过程】★Step 1Leading in 【新课导入】1．Greeting2．Ask three students to retell the text.One about the history，another about the popularity and the other about the development of basketball.3．Read aloud the article in 2b.★Step 2Cooperative inquiry 【合作探究】1．Additional activity2．Finish the task in 3a①Read the instructions in 3a.Students write their notes about their inventions.②Think of their problems and inventions to help them.3．Finish the task in 3b①Read the instructions.Show the ex pressions they may use for the ad on the board.②Write the ad in 15 minutes.③Read their works to the class.They can learn from each other and help each other.4．Finish the tasks in Self CheckActivity 1①Read and review the words in the box.②Fill in the blanks on their own.The teacher walks around.③In pairs，correct the work of each other.④Read aloud the passage until fluently.Activity 2①Ask students to say how to write a passive voice sentence simply.②Ask five students to write the sentences on the b lackboard.Other students rewrite the sentences on their own.③The class look at the blackboard and check.④Read and translate them into Chinese.Activity 3①Read the instructions and understand how to work.②The teacher leads the class to think back of the inventions in this unit.Quickly and simply describe them.③Ask students to choose one invention to finish the writing.★Step 3Homework1．Review the unit and read the contents in the whole unit.2．Write about one invention they want.3．Translate the following sentences into English.(1)很难说清谁是第一个想出这个主意的人。
Unit 6 When was it invented? 【重点单词】1. project n. 项目，工程；2. pleasure n. 高兴，愉快；3. daily adj. 日常的，每日的；4. mention v. 提到，说到；5. nearly adv.几乎，差不多；6. boil v. 煮沸，烧开；7. remain v. 保持不变；剩余；8. national adj.国家的，民族的；9. low adj.低的，矮的；10. translate v. 翻译；11. lock v.锁上；n. 锁；12. sudden adj. 突然的13. crispy adj. 脆的；酥脆的；14. salty adj. 咸的；15. sour adj. 酸的，有酸味的；16. customer n. 顾客。
17. Canadian 加拿大的，18. divide v. 分开，分散；19. hero n 英雄，男主角；20. professional adj. 职业的，专业的；【重点词组】1. shoes with special heels 特殊后跟的鞋子2. hot ice cream scoop 热的冰其淋勺子3. run on electricity 电动的4. be used for 被用作5. the subject for my school project 学校项目的课题6. our daily lives 我们的日常生活7. have a point 有点道理8. by accident 偶然，意外地9. over the open fire 在火堆上10. fall into the water 落入水中11. take place 发生12. without doubt 毫无疑问13. at a low price 以一个很低的价格14. translate the book into different language 把书翻译成不同种的语言15. all of sudden 突然16. by mistake 错误地17. a much-loved and active sport 一个深受喜爱并且积极的运动18. divide…into 把…分开19. stop sb. from doing sth. 阻止某人做某事20. look up to 钦佩，仰慕21. the professional basketball groups 职业篮球机构22. use someone else’s idea 借用其他人的想法【重点句式】1. I think the TV was invented before the car. 我认为电视是在轿车之前发明的。
Unit 6 When was it invented? 【重点单词】1. project n. 项目，工程；2. pleasure n. 高兴，愉快；3. daily adj. 日常的，每日的；4. mention v. 提到，说到；5. nearly adv.几乎，差不多；6. boil v. 煮沸，烧开；7. remain v. 保持不变；剩余；8. national adj.国家的，民族的；9. low adj.低的，矮的；10. translate v.翻译；11. lock v.锁上；n. 锁；12. sudden adj. 突然的13. crispy adj. 脆的；酥脆的；14. salty adj.咸的；15. sour adj.酸的，有酸味的；16. customer n.顾客。
17. Canadian 加拿大的，18. divide v.分开，分散；19. hero n英雄，男主角；20. professional adj. 职业的，专业的；【重点词组】1. shoes with special heels 特殊后跟的鞋子2. hot ice cream scoop 热的冰其淋勺子3. run on electricity 电动的4. be used for 被用作5. the subject for my school project 学校项目的课题6. our daily lives 我们的日常生活7. have a point 有点道理8. by accident 偶然，意外地9. over the open fire 在火堆上10. fall into the water 落入水中11. take place 发生12. without doubt 毫无疑问13. at a low price 以一个很低的价格14. translate the book into different language 把书翻译成不同种的语言15. all of sudden 突然16. by mistake 错误地17. a much-loved and active sport 一个深受喜爱并且积极的运动18. divide…into 把…分开19. stop sb from doing sth 阻止某人做某事20. look up to 钦佩，仰慕21. the professional basketball groups 职业篮球机构22. use someone else’s idea 借用其他人的想法【重点句式】1. I think the TV was invented before the car. 我认为电视是在轿车之前发明的。
Unit 6 When was it invented？一．重点短语1.by accident偶然;意外地by mistake 错误地；无意中2.divide …into把…分成…3.take place发生happen发生（没有被动形式）4. change the world改变世界5.all of a sudden=suddenly 突然;猛地6. My pleasure乐意效劳7. It is said that…据说……It is believe that…人们相信……；人们认为……8. drinking water 饮用水9. fall into掉入，掉进，fall off从……摔下来(fell fallen)10. produce a nice smell 散发出一种清香11. without doubt 毫无疑问；12. at a low / high price 低/ 高价13. translate…into…把……译成14. in the end=at last=finally最后15. at the same time同时16. stop /keep/ prevent…from doing sth 阻止……做某事17. look up to 仰慕18. encourage sb. to do sth. 鼓励某人做某事19. dream of 梦想;梦见…20. achieve one‟s dream / 实现梦想one‟s dream comes true21. have a point 有道理22. not only…but also…不但……而且……23. the Olympics 奥林匹克运动会24. come up with 想出25. nearly / almost low/ high pleasure (n.)/ pleasant (adj.)/ pleasedmusic / musical / musician salt / salty custom / customer hero/ heroe s popular /popularity profession /professional accident /accidental Cana da/ Canadian二．重点语法1. 辨析invent; find; find out; discoverinvent“发明”，指通过劳动运用聪明才智“发明/创造”出以前从未存在过的新事物例：Who invented the telephone?He invented a new teaching method．find“找到、发现”，指找到或发现自己所需要的东西或丢失的东西，着重指找到的结果。
九年级英语全册Unit6Whenwasitinvented知识点归纳总结(精华版)单选题1、The fish you bought yesterday smells ________. You’d better throw it away. A．goodB．badC．wellD．badly答案：B句意：你昨天买的鱼闻起来坏了，你最好把它扔掉。
good意为“好”，是形容词， bad 意为“坏的”，是形容词，well意为“好”，是副词，badly意为“坏地”，是副词。
smells意为“闻起来”，是系动词，后接形容词作表语。
根据You’d better throw it away.可知，故选B项。
2、Another bridge over the Jialing River________last year.A．buildsB．builtC．is builtD．was built答案：D句意：去年在嘉陵江上又建了一座桥。
考查动词的时态和被动语态。
builds动词第三人称单数形式，修建；built是build的过去式或过去分词形式；is built是一般现在时的被动语态；was built是一般过去时的被动语态。
根据句意可知，该句的主语Another bridge与动词构成被动关系，应用被动语态，排除A和B；再由句中的时间last year可知，应用一般过去时。
故选D。
3、Last year Huai'an Flyover(高架) _________. Now it brings much convenience to people. A．finishedB．finishesC．is finishingD．was finished答案：D句意：去年淮安高架建成。
现在它给人们带来了很多便利。
考查动词的时态。
finished完成，动词的过去式；finishes动词的一般现在时的第三人称单数；is finishing动词的现在进行时；was finished动词的一般过去时态的被动。
Unit6 When was it invented?
Period 3 Section A Grammar Focus – 3c
班级：________ 组名：____________ 姓名：_________
【学习目标】
1、学习掌握下列词汇：fridge, low, somebody, translate, lock, earthquake, sudden, all of a sudden, biscuit, cookie, instrument
2、进行一步复习巩固学习Section A 部分所学的生词和词组。
3、进一步学习运用一般过去时态的被动语态。
4、掌握主动语态变被动语态的方法，并通过不同方式的练习，来熟练运用。
【学习重点】
1、学习生词fridge, low, somebody, translate, lock, earthquake, sudden, all of
a sudden, biscuit, cookie, instrument
2、复习巩固Section A 部分所学的生词和词组，达到熟练运用的目标。
【学习难点】
1、一般过去时态的句子变为被动语态。
2、综合运用所学的知识进行练习运用。
【学习过程】
一、目标呈现
Grammar Focus回顾语法重点.要求学生分角色问答并翻译表格中的句子。
出说被动语态的各种句式的变化形式。
并能造出相仿的句子。
SA: When was the car invented ? SB: It was invented in 1885.
SA: When were electric slippers invented? SB: They were invented last year. SA : Who were they invented by? SB: They were invented by Julie Thompson. SA: What were they used for? SB: They were used for seeing in the dark. 简要归纳被动语态的结构及用法。
二、自主合作
Task 1、完成教材4a-4c的任务
课本P44，参照4a所提供的信息和例句，用被动语态改写句子.
2. _________________________________________________________.
3. _________________________________________________________?
4. __________________________________________________________.
5.___________________________________________________________.
Task 2、用所给单词的正确形式完成4b句子。
1. ______________
2. ______________
3. _________,_______
4. ___________
5. __________
Task 3、先浏览4c的短文，确定空格处的动词是用主动形式还是被动形式，然后用动词的正确形式填空完成短文。
1. ____________
2. __________
3. ___________
4. ___________
5.___________
6. ____________
7.___________
三、展示质疑
学生质疑，师生共同解惑, 教师对重点单词和短语作适当的解释。
1、Whitcomb Judson invented the zipper in 1893.(主动语态)
（主语）（谓语）（宾语）
The zipper was invented by Whitcomb Judson in 1893.(被动语态) （主语）（谓语）（宾语）
主动语态的主语变成了被动语态的_____ 结构，主动语态的宾语变成了被动语态的_____ 成分。
主动语态的谓语的一般过去时态变成了被动语态的结构。
2、不知道或没有必要说明动作的是谁时，或只需要强调动作的时，要用被动语态。
eg. Such books are for children.这些书是为儿童写的。
The zipper is often used in our daily lives. I think the TV was invented after the car.
3、tell sb to do sth.告诉某人做某事告诉某人不做某事______________________ 被动形式_____________________ 被告知不要做某事______________________
eg.I_______ by my parents______ _______ talk loudly in public.我父母告诉我不要在公共场合大声谈论。
四、巩固构建：
I.用所给词的正确形式填空。
(1) Battery-operated slippers (invent) by Julie Thompson.
(2) The project (finish) last month .
(3) The young man was seen (get) on a bus just now .
(4) The classroom (clean) everyday .
(5) Was the book (return) to her last Friday.
II.按要求完成句子。
(1) You brought your English book to school yesterday. (改为被动语态)
Your English book to school yesterday?
(2) Your bag was put here. (改为否定句) Your bag here.
(3) Peter was allowed to take the test. (改为一般疑问句)
Peter to take the test ?
(4) Children were allowed to do whatever they liked. (改为否定句)
Children to do whatever they liked.
(5) Who did you ask to volunteer at your local school?(改为被动语态)
Who to volunteer at your local school?。
